We'll warn you: This week's Snap-arazzi is admittedly Kardashian-heavy. But that's only because someone very important finally joined the Snapchat game: Kim Kardashian, Queen of the Selfie! So, naturally, we had to include most of her snaps in this week's round-up and, we've got to say, Kim K. is a pretty impressive Snapchatter. She's giving lil' sis' Kylie Jenner a run for her money.

Kim Kardashian joining wasn't the only notable development on Snapchat this week, though. Serena Williams hung from a pole using just her legs, Taylor Swift and Calvin Harris celebrated their 1-year anniversary together, Andy Cohen filmed the upcoming "Real Housewives of Beverly Hills" reunion show and Meghan Trainor celebrated the successful release of her killer new single, "NO."

Of course, Kylie Jenner also got people talking on Snapchat, too: She flaunted her curves poolside in Orlando wearing a fierce black bikini. Again, major Kim vibes.

Want to add this growing list of celebrities on Snapchat for yourself? Check out the gallery below for 50+ celebrities using the emerging social media platform:

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Snap-arazzi: The best celebrity Snapchats of the week (3/5 - 3/11)

Kylie Jenner (@kylizzlemynizzl): Kylie Jenner is the undisputed queen of Snapchat and her snaps give us a first-hand look (even more "personal" than "KUWTK") into her Lip-Kit-filled world. She's a must-add.

(Photo by Steve Granitz/WireImage)

DJ Khaled (@djkhaled305): DJ Khaled became universally beloved at the end of 2015 for his motivational Snapchat account in which he talks to his lion statue, lays in his hammock, waters his plants, urges his followers to "bless up," provides shameless plugs for his apparel line, and insists that "they" don't want you to have literally anything.

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Justin Bieber (@rickthesizzler): The Biebs' Snapchat game is on point -- albeit sometimes kind of emo -- though sometimes his inspirational messages leave us scratching our heads and asking, "What do you mean?"

(Photo by Axelle/Bauer-Griffin/FilmMagic)

Bethenny Frankel (@bethennyfrankel): The "Real Housewife of New York" is a huge fan of Snapchat, and she is one of our new favorite celebrity Snapchatters. Her assistants, her doorman, her driver and her dog all take centerstage and provide some truly hilarious moments.

(Photo by Gilbert Carrasquillo/FilmMagic)

Rihanna (@rihanna): RiRi is a little bit inconsistent with her Snapchat usage, but when she's active, there's nothing funnier. Usually it's her friend/assistant manning the phone, but we get a hilarious look into Rihanna getting ready, getting krunk and messing around with her friends.

(Photo by Axelle/Bauer-Griffin/FilmMagic)

Kim Kardashian (@kimkardashian): Kim Kardashian just joined Snapchat in March of 2016, and, if her first few snaps are any indication, she's going to make great use of the drawing feature.

(Photo by James Devaney/GC Images)

Ashley Benson (@benzo33): We're pretty sure that Ashley Benson, who plays Hannah on "Pretty Little Liars," is recording her life on Snapchat 24/7 ... not that we're complaining, though -- we love watching her mess around with the "PLL" crew.

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Gigi Hadid (@itsgigihadid): Gigi Hadid's life is just as glamorous as she is, as proven by her effortlessly chic Snapchat account. The model is a huge fan of mirror selfies and documenting her world travels.

(Photo by Rabbani and Solimene Photography/WireImage)

Joe Jonas (@joseadam): The middle JoBro and frontman of DNCE is known to be quite the jokester, and that reputation continues on his hilariously weird Snapchat. It doesn't hurt that his bandmates are also just as funny.

(Photo by Steve Jennings/Getty Images for iHeartMedia)

Kendall Jenner (@kendalljenner): Kendall isn't as active on Snapchat as her little sister, Kylie, is, but she holds her own with fierce selfies, behind-the-scenes shots on set and shenanigans with her famous family.

(Photo by Steve Granitz/WireImage)

Reese Witherspoon (@snapsbyreese): The Oscar-winner only Snapchats a couple times a week, but it's quality over quantity, right?! In Reese's case, that's so right. A must-add!

(Photo by Dimitrios Kambouris/Getty Images for EIF)

Ariana Grande (@moonlightbae): Ariana is another one of those stars on Snapchat who seems to post pretty much everything she does. She makes sure to document her recording process, car rides, hangouts with her brother Frankie and everything else in between.

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Rob Kardashian (@robphuckedme): The infamously reclusive Kardashian reappeared in early 2016 on Snapchat and, though he doesn't post that often, it gives you a fascinating look into his life as he works on getting back into shape and hangs out with new girlfriend Blac Chyna.

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Lady Gaga (@ladygaga): Lady Gaga joined Snapchat in the lead-up to her amazing Super Bowl "National Anthem" and has been active ever since. We especially love seeing how she puts together her most outrageous looks.

(Photo by Steve Granitz/WireImage)

Khloe Kardashian (@khloekardashian): Khloe Kardashian was the last of the Kardashian-Jenner clan to give into the pressure of getting a Snapchat, and boy are we glad she hopped on board! She frequently makes use of Snapchat lenses and posts funny videos of Lamar, Kylie and Kourtney.

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Shay Mitchell (@officialshaym): Just like her "Pretty Little Liars" costar, Ashley Benson, Shay is notorious for documenting the hilarious behind the scenes moments on the hit ABC Family show. Got a secret, can she keep it? No, she'll probably post about it on Snapchat.

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Kate Hudson (@khudsnaps): The actress' amazing Snapchat account follows her fabulous life and celebrity BFFs (and mom Goldie Hawn) from event to event, and we love every second of it.

(Photo by Gregg DeGuire/WireImage)

Meghan Trainor (@mtrainor22): The "All About That Bass" hitmaker is all about fooling around and making fun of her friends on Snapchat, and it makes us love her even more. Consider us as having jumped aboard the M-Train.

(Photo by Allen Berezovsky/Getty Images)

Chris Pratt (@chrisprattsnap): "Jurassic World" star Chris Pratt is just as hilarious on Snapchat as he is on screen, documenting his hard work in the gym and on set.

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Diplo (@diplo3000): Another one of those stars that is literally always active on the social media platform, Diplo is a fan of posting pretty much anything. The DJ is especially fond of taking selfies ... but, let's be real, who isn't?!

(Photo by Jeffrey Mayer/WireImage)

Ryan Seacrest (@ryanseacrest): The TV personality and media mogul isn't that consistently active on Snapchat, but when he's at a big event -- like an iHeartRadio concert or hosting gig -- he documents the backstage happenings as well as anyone.

Fifth Harmony (@fifthharmony): We love the 5H girls, but we really wish they would post on their band's Snapchat account more often. Some of the girls have individual accounts that they're active on, though, which prove that they're still "Worth It."

(Photo by C Flanigan/Getty Images)

Serena Williams (@serenaunmatched): The tennis legend joined Snapchat at the end of last year and posts hilarious selfie confessionals while lying in bed with her pups. And, yes, her sister Venus does make an occasional cameo.

(Photo credit should read JEWEL SAMAD/AFP/Getty Images)

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Kourtney Kardashian (@kourtneykardashian): The reality TV star and mother of three just joined Snapchat midway through March, and she's already a pro: We love the behind the scenes look at her life with her kids, hanging out with ex-boyfriend Scott Disick and messing around with her famous sisters.

(Photo by Lester Cohen/WireImage)

Jason Derulo (@derulo_jason): The "What To Want Me" singer is low-key hilarious on Snapchat, holding very little back and documenting his intense workouts, backstage shenanigans and over-the-top bling.

(Photo by Kevin Winter/Getty Images)

Hailey Baldwin (@haileybisboring): The up and coming model, who's been linked to Justin BIeber, is anything but "boring" on Snapchat. She's totally worth the add.

(Photo by Gabriel Olsen/FilmMagic)

Calvin Harris (@calvinharris): The celebrity DJ and boo thang of Taylor Swift pushes the envelope on Snapchat with his ruthless pranking of friends and shameless shirtless selfies.

(Photo by Adam Bettcher/Getty Images for iHeartMedia)

Paris Hilton (@realparishilton): The socialite turned reality star turned celebrity DJ is always on the move -- it's hard to keep up with her globetrotting ways (seriously, she's literally always in Dubai), but it's worth trying. We particularly like it when she has someone else film her while she proclaims she's "killing it."

(Photo by Gilbert Carrasquillo/FilmMagic)

Eva Longoria (@realevalongoria): The "Telenovela" star is refreshingly candid on Snapchat, which makes us love her even more ... but also makes us wonder what it would've been like for her "Desperate Housewives" character, Gabrielle Solis, to have had an account.

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Chelsea Handler (@chelseahandler): The unfiltered comedian continues her #FreeTheNipple-heavy social media presence on Snapchat, providing hilarious commentary on her everyday life. Our favorite part of her Snapchat? When she talks to her adorable dogs!

(Photo by Matt Winkelmeyer/Getty Images for Sundance Film Festival)

Bella Hadid (@babybels777): Gigi's younger sister and fellow model Bella keeps her super stylish ways alive on her Snapchat account, documenting her many photoshoots and trips around the globe.

(Photo by Chance Yeh/WireImage)

Christina Aguilera (@xtina): Christina Aguilera is hilarious on Snapchat, putting her diva-licious looks, backstage "Voice" antics and more on her account.

(Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)

Gwen Stefani (@itsgwenstefani): The singer and "Voice" coach loves to share photos and videos of her adorable children with her ex-husband Gavin Rossdale.

(Photo by Kevin Mazur/VF16/WireImage)

Selena Gomez (@selenagomez): The "Good For You" singer is super adorable in her selfie videos on Snapchat, usually taken behind the scenes of a photoshoot or one of her lively concerts. Unfortunately, there haven't been many Bieber sightings though.

(Photo by Andrew Toth/FilmMagic)

Nick Jonas (@jicknonas): The youngest of the Jonas Brothers clearly has fun with his Snapchat account. If you decide to add him, you'll definitely become "Jealous" of his lifestyle.

Austin Mahone (@yungmahone): The popular teen idol is always on the move, and is a big fan of revealing new information about his upcoming releases (#TracklistTuesday) or singing snippets of new songs for his followers.

(Photo by Noam Galai/WireImage)

Shawn Mendes (@shawnmendes1): The youthful singer, who was discovered online, is all smiles on his active Snapchat account and tends to document his every move during his busy schedule.

(Photo by Jeffrey Mayer/WireImage)

Alicia Keys (@akstreetgoddess): Alicia Keys only dabbles in using her Snapchat, but when she does it's always super positive and up-lifting.

(Photo by: Theo Wargo/NBCUniversal/NBCU Photo Bank via Getty Images)

Chris Brown (@bpchrisbrown): The hip-hop bad boy joined Snapchat early in 2015, and though his Snapchat account isn't that active, he's worth the follow just in case he posts something outrageous.

Brody Jenner (@nextjenneration): There's another member of the Kardashian/Jenner clan on Snapchat, and it's former star of "The Hills," Brody. When he announced he joined the social media platform he said it was "time to get weird on Snapchat," but he doesn't post that often on his account, so ...

(Photo by Mindy Small/FilmMagic)

Ansel Elgort (@anselelgort): The "Fault In Our Stars" actor, DJ and perpetual goofball isn't afraid to get silly on Snapchat while traveling the world and hanging out in Brooklyn with his girlfriend.

(Photo by Jason LaVeris/FilmMagic)

Tyga (@lamboluxury): Rapper and boyfriend of Kylie Jenner may not be able to keep up with his girlfriend's Snapchat game, but he still holds his own. The couple isn't afraid to show affection on Snapchat, either, even if it makes headlines.

(Photo via Barry King via Getty Images)

Jennifer Lopez (@jlobts): Jenny from the Block shares fun behind the scenes looks at her life as a mother, "American Idol" judge and all-around amazing human.

(Photo by RB/Bauer-Griffin/GC Images)

Chrissy Teigen (@chrissyteigen): The model and Twitter favorite is pretty inactive on Snapchat, though she'll occasionally post a selfie video of someone doing her makeup or an inside look at one of her epic cooking sessions.

(Photo by Jon Kopaloff/FilmMagic)

Little Mix (@littlemix_offic): The girls of British band Little Mix are totally playful on Snapchat and it's hilarious. It's fun to watch the quartet enjoy each other's company and not take life too seriously.

(Photo by Karwai Tang/WireImage)

Nicole Richie (@itsnikkifresh): One of the funniest celebrities there is, Nicole Richie gives her followers a behind the scenes look at the filming and promotion of her show "Candidly Nicole."

(Photo by Jason LaVeris/FilmMagic)

Niall Horan (@niallhoran): One Direction cutie Niall Horan joined Snapchat in March and doesn't post that much, but he's worth the add just for his occasional smiley selfie. Something we've learned from his account? He takes the London Tube!

(Photo by Mark Davis/DCNYRE2016/Getty Images for dcp)

David Guetta (@davidguettaoff): The superstar DJ shares a low-key look into his charmed life with videos of screaming fans, crashing yachts and bass-thumping light shows.

(Photo by Cedric Ribeiro/Getty Images)

Derek Blasberg (@derekblasberg): BFF to all of the world's top models is constantly globetrotting (as seen through his Instagram), and his hilarious Snapchat provides commentary on his daily happenings.

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Nick Grimshaw (@grimmers): The British TV host and radio personality's Snapchat account is full of jokes, famous faces, swanky locales and British accents -- need we say more?

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Jessica Alba (@jessicamalba): The age-defying beauty provides an unfiltered look into her life on Snapchat, pairing her funny moments with equally as creative captions.

(Photo by Jon Kopaloff/FilmMagic)

5 Seconds of Summer (@wearefivesos): The boys of 5 Seconds of Summer document their hilarious antics on their joint Snapchat account, though they have individual accounts, too.

(Photo by Taylor Hill/FilmMagic)

The Weeknd (@xo.official): Usually manned by one of his crew members, The Weeknd's Snapchat account provides a behind the scenes look at his energetic shows and interviews.

(Photo by Johnny Louis/Getty Images)

Rita Ora (@officialritaora): British singer Rita Ora documents her enviable world travels on her Snapchat, as she's frequently jet-setting from England to New York to L.A. She also knows how to take a mean selfie!

(Photo by Karwai Tang/WireImage)

Blake Lively (@livelybk): Though she doesn't post that often, the former "Gossip Girl" star will make you feel like you're living a life of luxury when she does post to her Snapchat. We like to think that her "Preserve" aesthetic lives on through her account.

Michael G. Clifford (@michaelgcliffor): The 5SOS member posts similar things as his band's account which means more silly, more antics and more jokes. Count us in.

(Photo by Taylor Hill/FilmMagic)

Rixton (@rixtonofficial): The British band behind the hit "Me and My Broken Heart" doesn't use their official Snapchat account that often, but we follow them just in case they happen to out of the blue.

(Photo by Karwai Tang/WireImage)

Normani Hamilton (@maniloves31): The Fifth Harmony standout loves to post on Snapchat and gives a fun look at her daily life as a member of the world's best girl band.

(Photo by Tasos Katopodis/Getty Images for iHeartMedia)

Cameron Dallas (@camerondallas): Vine star Cameron Dallas is hilarious on Snapchat and loves to have fun with his pack of guy friends by doing things like having rowdy pillow fights in hotel rooms.

(Photo by Steve Granitz/WireImage)

One Direction (@onedirection): The boys of 1D are about to go on a "hiatus," which probably explains why their Snapchat account is pretty much inactive, but we still like seeing them on our friend list to trigger our favorite memories as Directioners.

(Photo by Mark Davis/DCNYRE2016/Getty Images for dcp)

The Tonight Show with Jimmy Fallon (@fallontonight): Ever wondered what goes on behind-the-scenes of your favorite late night talk show? Now you have your chance to see for yourself.

(Photo by: Andrew Lipovsky/NBC/NBCU Photo Bank via Getty Images)

Sofia Richie (@srichieee): Nicole Richie's effortlessly cool younger sister is a sporadic Snapchat user, but if you follow her you can depend on a couple of cute snaps a week of her boyfriend, a hair color change or some cool bonfire she's at.

(Photo by Theo Wargo/Getty Images for Material Girl)

Ed Sheeran (@teddysdaytoday): Though the singer is taking a break from his phone (and, thus, all forms of social media), his Snapchat was a dependable source of ridiculousness in the best way possible. Here's to hoping he makes a triumphant return to the Internet very soon!

(Photo by Glenn Hunt/Getty Images)

Alana Hadid (@thelanzybear): Gigi and Bella Hadid's older half-sister Alana is a designer, founder and all-around amazing person. Follow her for some hilarious selfies and secret moments with her popular sisters.

(Photo by Stefanie Keenan/Getty Images for Lou & Grey)

Tyler Blackburn (@thetblackburn): Tyler, who plays Caleb on "Pretty Little Liars," is way too cool on Snapchat and documents his adventures with on-screen girlfriend and off-screen BFF Ashley Benson, among many other entertaining things.

(Photo by Jason Merritt/Getty Images for Hollister)

Avicii (@timbling): The world-famous DJ posts videos and selfies from his gigs around the world, and we love living vicariously through him.

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The Vamps (@thevampsband): The British boy band post everything from behind the scenes moments at rehearsals to secret videos of their fans waiting outside their hotels and pack every video with humor and tons and tons of Snapchat lenses.

(Photo by Brian Rasic/WireImage)

Jared Leto (@jaredleto): The unfiltered actor's snapchat is a goldmine of world traveling, scenic hikes, funny doodles and unexplained randomness -- and we love every second of it.

(Photo by Jesse Grant/Getty Images for Leisure Opportunities)

Chantel Jeffries (@chanteltaleen): Model Chantel Jeffries is very active on Snapchat and provides hilariously insightful commentary on her busy day-to-day life.

(Photo by Roy Rochlin/FilmMagic)

Gregg Sulkin (@gsulkin): Star of MTV's "Faking It" and Bella Thorne's boyfriend, Gregg Sulkin is a great Snapchatter and we love getting a peak into his day-to-day life as an up-and-coming actor.

(Photo by Kevin Mazur/WireImage)

Naomi Campbell (@iamnaomi): Famed supermodel Naomi Campbell is still figuring out the best way to use her Snapchat, but we frequently get selfie videos while in the car and at fancy dinner parties.

(Photo by Mike Pont/WireImage)

Ramona Singer (@ramonamsinger): The "Real Housewife of New York" is hilarious on Snapchat, documenting her everyday exploits on the Upper East Side.